Feats? Check. (Assess Enemies, Ancestral Weapon, Capture, Fiend Slayer, Infernal Pact, Infernal Corruption, Infernal Sworn, Siren Cry, Poisoner, Savage Born, Summon Horde, Key of the Moon, Seer, Lore Caster)
Monsters? Check. (Azure Ooze, Ceraton, Crystal Golem, Draexodon, Drakon (Brightvenom, Darkvenom, and Mongrel), Earth Naga, Ghozali, Horror Of Zamon (with a huge chart of randomly deteremined mutations and my personal favorite beast of the bunch), Horse of Parelor, Hezcatla, Lightning Giant, Living Idol, Nalvor, Oneiric Creature (template), Pteral, Sharoqus, Thunder Giant, and Xochatateo.
Prestige Classes? Nope
Domains? Check. (Creation, Darkness, Dream, Glory, Liberation, Madness, Repose, and Weather)
New Spells? Check. - roughly 25 by a quick glance.
New Magic Items? Check. (Bonemail, Flying Guillotine +4)
New Magic Item Properties? Check. (Dreamforged, Dysmorphic, Lucent, Spectral, Stealth, and Truculent).